Imagen de perfil de DavidLiu80
@DavidLiu80
Bandera de China Shenyang, China
Miembro desde 8 de junio de 2013
13 Recomendaciones

DavidLiu80

En línea Desconectado
Overview for 2018 1. “Great Job as expected!!!” 2. “The best part about working with David is that I trust he will follow through and deliver what is needed.” 3. “David did an Awesome job and was a great communicator I would diffrently hire him again for future projects"
$50 USD/hr
135 comentarios
8.3
  • 85%Trabajos finalizados
  • 91%Dentro del presupuesto
  • 87%A tiempo
  • 17%Tasa de recontratación

Portafolio

Comentarios recientes

  • imagen de Dariusz P. Project for Sun X. -- 2 €1100.00 EUR

    “All smooth and up to 100% satisfaction.”

  • imagen de leokaan Project for Sun X. $1200.00 USD

    “He is professional, like the way he works”

  • imagen de Lynn2018 Senior Web developer with iOS skills [Sealed]

    “Sun was like a scalpel, I interviewed him at 9 am, hired him at 9:30 am, and gave him access by 9:40 pm, By 12 pm, he had fixed the problem.”

  • imagen de ivanPz Project for Sun X. [Sealed]

    “Very Good freelancer. I've hired hundreds of freelancers in the past 8 years. 90% or more will waste your time, inflate their capabilities and cause problems with your project. Sun is a pro. My Highest recommendation. Would highly recommend.”

  • imagen de ivanPz Top-rated Developer Needed for E-commerce Project [Sealed]

    “Sun is literally the best IT person I have ever worked with. I HIGHLY recommend him for the following reasons: 1. Scope of Knowledge: Sun understands all major application environments and typically knows the solution within minutes of investigating. 2. Speed of Response: If the situation is critical Sun responds and addresses the issue in minutes 3. Preventative approach: Sun reviews and recommends solutions to improve and stop future issues.”

  • imagen de dnlcuk Project 360 £1800.00 GBP

    “The freelancer complied fully with my requests. This was a complex project.”

Educación

Master

2002 - 2006 (4 years)

Publicaciones

Mobile life in World

This book is about current mobile App and Game's development and use. Published Date: 2012.4

Certificaciones

  • HTML5 Basics 1
    100%
  • JavaScript Level 1
    98%
  • US English Level 2
    95%
  • Android 1
    93%
  • PHP Level 1
    93%
  • Preferred Freelancer Program SLA
    92%

Verificaciones

  • Conectado a Facebook
  • Freelancer preferente
  • Pago verificado
  • Teléfono verificado
  • Identidad verificada
  • Email verificado

Mis habilidades principales

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